Home / 990,104.07-1,366,307.06-537,385.35

Finding the Fourth Proportional to 990,104.07, 1,366,307.06 and 537,385.35

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Solution

The fourth proportional to 990,104.07, 1,366,307.06 and 537,385.35 is: 741,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,104.07 : 1,366,307.06 = 537,385.35 : x
  2. Step 2: Convert to fraction form
    990,104.07/1,366,307.06 = 537,385.35/x
  3. Step 3: Cross multiply
    990,104.07x = 1,366,307.06 × 537,385.35
  4. Step 4: Simplify right side
    990,104.07x = 734,233,397,645.57
  5. Step 5: Solve for x
    x = 734,233,397,645.57/990,104.07
  6. Step 6: Final answer
    x = 741,571.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.